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sidebar_label: 2022
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# 2022 Changelog

### ClickHouse release v21.9.4.35-stable FIXME as compared to v21.9.3.30-stable

#### Bug Fix (user-visible misbehaviour in official stable release)

* Backported in [#29191](https://github.com/ClickHouse/ClickHouse/issues/29191): Fix segfault while inserting into column with type LowCardinality(Nullable) in Avro input format. [#29132](https://github.com/ClickHouse/ClickHouse/pull/29132) ([Kruglov Pavel](https://github.com/Avogar)).

#### NOT FOR CHANGELOG / INSIGNIFICANT

* Do not add const group by key for query with only having. [#28975](https://github.com/ClickHouse/ClickHouse/pull/28975) ([Nikolai Kochetov](https://github.com/KochetovNicolai)).
* Merging [#27963](https://github.com/ClickHouse/ClickHouse/issues/27963) [#29063](https://github.com/ClickHouse/ClickHouse/pull/29063) ([Maksim Kita](https://github.com/kitaisreal)).
* Fix terminate on uncaught exception [#29216](https://github.com/ClickHouse/ClickHouse/pull/29216) ([Alexander Tokmakov](https://github.com/tavplubix)).
